Iced Blueberry Rooibos Latte – Naturally Sweet, Dairy-Free & Caffeine-Free

Iced lattes are a quintessential summer treat—who doesn’t love a sweet, creamy, ice-cold drink that goes down way too easily? Recently, I tried an iced blueberry latte and was blown away by how delicious it was. Naturally, I wanted to recreate it at home—but without refined sugar and with a healthier alternative to decaf espresso. The result? A vibrant, naturally sweet iced blueberry rooibos latte that both kids and adults love! It’s refreshing, flavourful, and surprisingly easy to make, so let’s dive into what makes this drink so irresistible.

Why You’ll Love It

There are so many reasons why you’re going to love this iced blueberry rooibos latte. Let’s look at just a few:

Amazing Taste

Rooibos tea has a naturally sweet, slightly nutty flavor with no bitterness, making it a wonderful alternative to strong, intense espresso. Its mild and smooth taste is especially enjoyable for kids, who will love how easy it is to drink.

I use a combination of creamy oat milk and plant-based half and half cream. It provides a rich, creamy base that elevates the sweetness of this drink.

For the base, I like to use a mix of creamy oat milk and plant-based half-and-half foam to top it off. Together they create a rich, velvety texture that perfectly complements the flavours of this latte. The real star, though, is the refined sugar-free blueberry syrup—it adds just the right touch of sweetness and fruity flavour that takes this drink to the next level.

Dairy-Free

If you’re skipping dairy, this iced latte is a dream come true. It’s so creamy and satisfying you won’t even miss the milk. The oat milk keeps it gentle on the stomach, while non-dairy half-and-half foam brings that rich, indulgent creaminess we all love.

Healthier Than Your Typical Latte

Aside from the taste, my favourite thing about this iced blueberry rooibos latte is that it’s a healthier alternative to traditional iced lattes. Unlike coffee, which is acid-forming, drinking rooibos tea contributes to a more alkaline environment in the body. This is important because acid-forming foods promote inflammation, a precursor to diseases like type 2 diabetes, cancer, heart disease, and rheumatoid arthritis. Alkaline-forming foods and drinks do just the opposite, reducing inflammation and lowering the risk of many diseases.

What’s more, instead of a syrup made from white sugar or corn syrup, this homemade blueberry syrup is made with 100% unpasteurized honey, far healthier due to honey’s soothing benefits and mineral content.

Finally, rooibos tea is naturally caffeine-free and packed with antioxidants that support your immune system. Unlike caffeine, which can give a quick jolt of energy but also lead to jitters, headaches, or trouble sleeping, rooibos provides a gentle, soothing boost without any of those side effects—so you can enjoy it anytime, day or night.

Tools Needed

• Medium pot
• Potato peeler
• Milk frother – optional for cold foam
• Kettle or pot
• Tall glass or cup
• Measuring cups
• Measuring spoons

Ingredients

Refined Sugar-Free Blueberry Syrup

• Honey
• Water
• Blueberries – fresh or frozen
• Lemon peel
• Lemon juice

Iced Rooibos Latte

• Rooibos tea
• Oat milk – I use Oat-ly
• Non-dairy half and half cream – I use Silk
• Boiling water
• Ice

How to Make Iced Blueberry Rooibos Latte

Make the Blueberry Syrup

Combine 1 cup water and blueberries in a medium pot and simmer for 15 minutes.

After 15 minutes, remove from heat and mash the blueberries with a fork and strain out the solids, reserving the juice in a liquid measuring cup.

Rinse the pot and add the honey, lemon peel, and remaining water to it. Bring to a boil and simmer for 20 minutes.

Add the blueberry juice and lemon juice, simmering for another minute.

Allow the syrup to cool and remove lemon peel.

Store remaining syrup in the fridge for up to 3 weeks.

Steep Rooibos Tea

Pour 8 ounces of boiling water over rooibos tea bags in a mug and allow to steep for at least 30 minutes.

Prepare Cold Foam (Optional)

Pour half and half cream into milk frother and froth on the cold setting.

Assemble Iced Blueberry Rooibos Latte

Add the ingredients to a tall glass or cup in the following order:

• Ice
• Blueberry syrup
• Oat milk
• Rooibos tea
• Frothed half and half cream
• A drizzle of blueberry syrup

You should be able to see the different layers when you’re done. Stir and enjoy!

Notes

• Sweetener – Maple syrup, agave nectar, or monk fruit sweetener can be used in place of honey to make the syrup. Adjust to taste.

• Milk Options – Oat milk gives the creamiest texture while almond milk keeps it light. Feel free to try your favourite plant-based milk.
• Strain or Not – For a silky drink, strain the blueberry syrup before adding to your latte. If you don’t mind some texture, keep it in for extra fiber.
• Make Ahead – the blueberry syrup will last for several weeks in the fridge. Make extra for a quick drink.
• Batch Prep – Brew a larger batch of rooibos and keep it chilled in the fridge for up to 3 days. Then combine it with oat milk and blueberry syrup over ice for a quick and easy iced latte.

Looking for more delicious dairy-free drinks? Check out the Plant-Based Drinks section!